1101 Bike Lane Trainer Bicycle Indoor Trainer Exercise Machine Ride All Year Around STATE OF THE ART - State of the art technology: As soon as you begin to pedal, the ultra QUIET internal magnet creates resistance. You can easily increase the resistance by shifting the gears on your bike! EXTREMELY PORTABLE - The MAG Trainer is extremely light and it can be folded down like an ironing board for travel and storage. Take it anywhere, train indoors all Winter long MAXIMUM STABILITY - This trainer is one of the most robust and sturdy trainers on the market. Extra wide legs and a sturdy frame makes this the trainer the pros choose EXTRA DURABLE - This trainer features the finest materials and proven reliability. These are perfect for the beginner or the professional who wants to stay in shape all year long VERSATILE - Turn your bike into an indoor exercise bike, easy set-up and quiet operation. Accommodates 26-28" and 700cc tires. Designed for bikes with quick release rear axle.